43540204534 has 32 divisors (see below), whose sum is σ = 70793839296. Its totient is φ = 20008627200.

The previous prime is 43540204511. The next prime is 43540204541.

43540204534 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 43540204534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163839 + ... + 337525.

It is an arithmetic number, because the mean of its divisors is an integer number (2212307478).

Almost surely, 2^43540204534 is an apocalyptic number.

43540204534 is a deficient number, since it is larger than the sum of its proper divisors (27253634762).

43540204534 is a wasteful number, since it uses less digits than its factorization.

43540204534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173880.

The product of its (nonzero) digits is 115200, while the sum is 34.

The spelling of 43540204534 in words is "forty-three billion, five hundred forty million, two hundred four thousand, five hundred thirty-four".